Energy Test

¡Supera tus tareas y exámenes ahora con Quizwiz!

conductor

A material that allows heat and electricity to pass through it.

Insulator

A material that does not conduct heat well

specific heat

The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius

electromagnetic energy

a form of energy that travels through space in the form of waves

The mechanical energy of a coconut falling from a tree _______

remains constant

The kinetic of energy of an object increases as its _____ increases.

speed

How much force is required to lift a rock a vertical distance of 8 m if 80 J of work were done?

10 N

gravitational potential energy

Energy stored by objects due to their position above Earth's surface.

work

Force exerted on an object that causes it to move

When an object is dropped what happens to potential and kinetic energy as it falls ?

GPE goes down, KE goes up

potential energy formula

PE=mgh

thermal energy

The total energy of kinetic and potential energy of all atoms in an object. heat energy

Convection

The transfer of heat by the movement of a fluid or heated particles

an example of energy conversion from kinetic to thermal energy would be

friction

The _______ energy of an object depends on both the height and the mass of an object

gravitational potential

An object that has kinetic energy must be

in motion

Plastic is an example of what?

insulator

The ______ energy of an object increases with its height.

gravitational potential

Temperature measures

average kinetic energy

green plants convert light energy from the sun into ________ during photosynthesis

chemical potential energy

The law of ______ states that energy in a system can change forms but can never be created of destroyed

conversation of energy

Conduction is the transfer of heat energy by

direct particle contact

kinetic energy

energy of motion

Work =

force x distance

mechanical energy

total Kinetic or potential energy in a system


Conjuntos de estudio relacionados

Pharmacology PrepU Chapter 14: Antineoplastic Agents

View Set

Exam three mgmt 3000. Communication, power, motivation, and control.

View Set

MICRO ECOMOMICS OREGON STATE UNIVERSITY CH. 13

View Set

Intro to MicroEcon 247 Unit 7 (chapter 14)

View Set

HIM 1110 Chapter 6 Check Your Understanding

View Set